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Mexico
Santa Barbara Mine (IMMSA Operation)

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 Location:
18 km SW from Hidalgo del Parral, Chihuahua, Mexico

  Regional Office:
Campos Elíseos N° 400 Colonia Lomas de Chapultepec Delegación Miguel Hidalgo
Mexico city
Mexico, Mexico
11000
Phone  ...  Subscription required
Fax(5255)-1103-5567
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Zinc
  • Lead
  • Copper
Mining Method
  • Cut & Fill
  • Shrinkage stoping
  • Bench stoping
  • Longhole open stoping
Processing
  • Smelting
  • Flotation
Santa Barbara includes three main underground mines (San Diego, Segovedad and Tecolotes) and a flotation plant and produces lead, copper and zinc concentrates, with significant amounts of silver.


Owners

Source: p. 3, 49
CompanyInterestOwnership
Grupo Mexico S.A. de C.V. 88.87 % Indirect
Ownership Tree
Industrial Minera Mexico, S.A. de C.V. (together with its subsidiaries, the “IMMSA unit”) operates five underground mines that produce zinc, lead, copper, silver and gold, a coal mine and a zinc refinery.

IMMSA’s principal mining facilities include Charcas, Santa Barbara, San Martin, Santa Eulalia and Taxco.

Deposit Type

  • Vein / narrow vein


Summary:

The majority of production from the district comes from quartz veins within faults and fractures. The north to northwestern trending veins is up to several kilometers long, dips steeply to the west and is 0.5 to 30 meters wide. Ore shoots up to several hundred meters in length, extends to at least 900 meters below the surface and is separated from other ore by 0.5 to 1 meter of barren quartz vein. Metal zoning occurs in some veins, with zinc and lead content generally decreasing with depth and copper increasing with depth. Three main systems of veins exist inside the district, represented by the veins Coyote, Segovedad Novedad and Coyote Seca Palmar. In addition to the main veins, there are many smaller sub-parallels to branching ore bearing veins. Economic ore minerals include sphalerite (ZnS), marmatite (ZnFeS), galena (PbS), chalcopyrite (CuFeS2) and tetrahedrite (CuFe12 Sb4S13). Gangue minerals include quartz (SiO2), pyrite (FeS2), magnetite (Fe2O4), pirrotite (Fe2+S), arsenopyrite (FeAsS) and fluorite (CaF2).

The Santa Barbara district has mineralization to indicate that it will continue to be a significant producer of lead, copper and zinc for decades. The full potential of the district has not yet been defined, but the area seems to justify an increase in exploration.


Mining Methods

  • Cut & Fill
  • Shrinkage stoping
  • Bench stoping
  • Longhole open stoping


Summary:

Santa Barbara includes three main underground mines (San Diego, Segovedad and Tecolotes). The mining operations at Santa Barbara are more diverse and complex than any of the other mines in Companys Mexican operations, with veins that aggregate approximately 21 kilometers in length.

Due to the variable characteristics of the ore bodies, four types of mining methods are used: shrinkage stoping, long-hole drilled open stoping, cut-and-fill stoping and horizontal bench stoping.


Crushing and Grinding
Crusher / Mill TypeModelSizePowerQuantity
Jaw crusher 6

Summary:

The concentrator plant has a milling capacity of 5,800 tons of ore per day and includes the following equipment:
• Six primary jaw crushers,
• one secondary crusher,
• two tertiary crushers,
• three mills, and
• three flotation circuits.


Processing

  • Smelting
  • Flotation

Source: Subscription required

Summary:

The ore, once crushed, is processed in the flotation plant to produce concentrates. The flotation plant has a capacity of 5,800 tons of ore per day. The lead concentrate produced is treated at a third party refinery in Mexico. The copper concentrates are treated at our La Caridad smelter and the zinc concentrates are either treated at the San Luis Potosi zinc refinery or exported.

CommodityParameter
Zinc Recovery Rate, %
Zinc Head Grade, %
Zinc Concentrate Grade, %
Lead Recovery Rate, %
Lead Head Grade, %
Lead Concentrate Grade, %
Copper Recovery Rate, %
Copper Head Grade, %
Copper Concentrate Grade, %

Production:

CommodityUnits20142013
Zinc kt 6464
Lead kt  ......  Subscription required  ......  Subscription required
Copper kt  ......  Subscription required  ......  Subscription required
All production numbers are expressed as concentrate.

Operational Metrics:

Metrics202020192018201720162015
Tonnes milled  ......  Subscription required1,637 kt1,671 kt1,337 kt1,525 kt1,556 kt
Annual milling capacity  ......  Subscription required2,190 kt2,190 kt2,190 kt2,190 kt2,190 kt
Daily milling capacity  ......  Subscription required5,800 t5,800 t
Subscription required - Subscription is required.

Combined reserves/resources are reported under IMMSA Operation



Heavy Mobile Equipment as of December 31, 2013:
HME TypeQuantity
Scoop Tram ....................... Subscription required
Truck (haul) ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 15, 2021
....................... Subscription required ....................... Subscription required Subscription required Jul 15, 2021
....................... Subscription required ....................... Subscription required Subscription required Jul 15, 2021
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2014

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
Form 10-K 2018
Form 10-K 2017
Annual Report 2016
Form 10-K 2016
Annual Report 2015
Form 10-K 2015
Annual Report 2014
Form 10-K 2014
Form 10-K 2013
Subscription required - Subscription is required.

Aerial view:

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